University Hospital reported the following information about x-ray costs for the first nine months of its 2013 fiscal year. Cost per Month X-rays Taken X-ray Cost X-ray January ....... 7,500 $40,000. $5.33 February 8,000 43,013 5.38 March . ........ 7,700 .......... 38, 125.. .................. 4.95 April .6,300 . 35,101. 5.54 May. .8,200 ......... 41,045. 5.01 June... .4,500 ..... 30,500 6.78 July ....... 6,700 37,203 5.55 August .4,900 ....... 29,125. .5.94 September.. .5,500 38,712 7.04 Total . 59,300 $332.824. $5.61 Average per month ....... 6.589 $36.980 $5.61